Variability of expert observers in evaluating the optic disc.

  • Paul R. Lichter
  • Published 1976 in
    Transactions of the American Ophthalmological…


A significant amount of variability exists between observers in designating cup/diac (C/D) ratios. Further, different methods are used for evaluating the size of the cup. On method uses a combination of contour and color, the other specifically measures contour and pallor separately. This study confirms that these methods yeild different numerical results… (More)


Cite this paper

@article{Lichter1976VariabilityOE, title={Variability of expert observers in evaluating the optic disc.}, author={Paul R. Lichter}, journal={Transactions of the American Ophthalmological Society}, year={1976}, volume={74}, pages={532-72} }